This course is classified as top secret! Watching it gives you access to features that will alter the way you interact with the Apple iPad. Warning: If you don't have top-level clearance, watch and learn at your own risk.
You need an orchestra to play orchestral music. Likewise, you need an orchestral template to play a MIDI orchestral score. This course, by Peter Schwartz, explains the technology and the craft behind designing pro orchestral templates.